Saudações pessoal,
Após a instalação do ubuntu 10.10 estou com dificuldades de navegação para a conexão wireless.
Abaixo meus instrumentos de trabalho:
1. PC: DELL 1545 (dual boot ubuntu 10.10 e win7)
2. Acess Point: D-Link 524i
3. Modem: NetGear DM111PSP
4. Internet: GVT 10MB
A conexão está muito lenta e o bit rate está a
1mb. Editando o arquivo /etc/rc.local e inserido o comando sudo iwconfig wlan0 rate XXM (tentei o 11 e 36) o sistema altera o bit rate porém a conexão ainda continua lenta. Tentei colocar no modo auto porém o bit rate é mantido a 1mb.
Fazendo testes no win7 a conexão wireless está normal para os 10mb (
http://www.speedtest.net/). Apenas no ubuntu que a conexão wifi está ruim, os teste mostram que estou consumindo apenas 50% da banda para download (5MB - down). O upload está normal em 1MB.
Já fiz de tudo, re-instalei o ubuntu, desabilitei o driver, habilitei de novo, re-instalei o driver via synaptic, tirei a senha do AP e nada.."garimpei" no google e pesquei no fórum e nada..
Fonte de pesquisa:
[Desabilitando ipv6]http://ubuntuforum-br.org/index.php/topic,69469.0.html [ipv6]
http://www.webupd8.org/2010/05/how-to-disable-ipv6-in-ubuntu-1004.html [ipv6]
http://ubuntuforum-br.org/index.php/topic,72382.0.html [ipv6 no firefox]
[DNS]http://ubuntuforum-br.org/index.php/topic,69469.0.htmlAlguma dica q possa me ajudar ?
Abaixo segue os comandos:
sudo lshw -C networkbruno@mordecaii:~$ sudo lshw -C network
[sudo] password for bruno:
*-network
description: Network controller
product: BCM4312 802.11b/g LP-PHY
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:0c:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=b43-pci-bridge latency=0
resources: irq:17 memory:f69fc000-f69fffff
*-network
description: Ethernet interface
product: 88E8040 PCI-E Fast Ethernet Controller
vendor: Marvell Technology Group Ltd.
physical id: 0
bus info: pci@0000:09:00.0
logical name: eth0
version: 13
serial: 00:23:ae:e8:60:98
capacity: 100MB/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=sky2 driverversion=1.28 firmware=N/A latency=0 link=no multicast=yes port=twisted pair
resources: irq:44 memory:f68fc000-f68fffff ioport:de00(size=256)
*-network
description: Wireless interface
physical id: 2
logical name: wlan0
serial: 00:25:56:87:82:38
capabilities: ethernet physical wireless
configuration: broadcast=yes driver=b43 driverversion=2.6.35-22-generic firmware=N/A ip=192.168.0.121 link=yes multicast=yes wireless=IEEE 802.11bg
iwconfig wlan0bruno@mordecaii:~$ iwconfig wlan0
wlan0 IEEE 802.11bg ESSID:"Skynet"
Mode:Managed Frequency:2.457 GHz Access Point: 00:22:B0:A8:9B:B0
Bit Rate=1 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=65/70 Signal level=-45 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:
sudo iwlist wlan0 scanbruno@mordecaii:~$ sudo iwlist wlan0 scan
wlan0 Scan completed :
Cell 01 - Address: 00:22:B0:A8:9B:B0
Channel:10
Frequency:2.457 GHz (Channel 10)
Quality=59/70 Signal level=-51 dBm
Encryption key:off
ESSID:"Skynet"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=00000020d36b55d0
Extra: Last beacon: 80ms ago
IE: Unknown: 0006536B796E6574
IE: Unknown: 010482848B96
IE: Unknown: 03010A
IE: Unknown: 32080C1218602430486C
IE: Unknown: CC0700CC020000018A
IE: Unknown: CC0700CC0300000100
Cell 02 - Address: 00:21:91:6F:A2:50
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=55/70 Signal level=-55 dBm
Encryption key:off
ESSID:"dlink"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000000294cc124e
Extra: Last beacon: 1500ms ago
IE: Unknown: 0005646C696E6B
IE: Unknown: 010482848B96
IE: Unknown: 030106
IE: Unknown: 32080C1218602430486C
IE: Unknown: CC0700CC020000018A
IE: Unknown: CC0700CC0300000100
ifconfigbruno@mordecaii:~$ ifconfig
eth0 Link encap:Ethernet Endereço de HW 00:23:ae:e8:60:98
UP BROADCAST MULTICAST MTU:1500 Métrica:1
pacotes RX:0 erros:0 descartados:0 excesso:0 quadro:0
Pacotes TX:0 erros:0 descartados:0 excesso:0 portadora:0
colisões:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
IRQ:18
lo Link encap:Loopback Local
inet end.: 127.0.0.1 Masc:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Métrica:1
pacotes RX:102 erros:0 descartados:0 excesso:0 quadro:0
Pacotes TX:102 erros:0 descartados:0 excesso:0 portadora:0
colisões:0 txqueuelen:0
RX bytes:7980 (7.9 KB) TX bytes:7980 (7.9 KB)
wlan0 Link encap:Ethernet Endereço de HW 00:25:56:87:82:38
inet end.: 192.168.0.121 Bcast:192.168.0.255 Masc:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Métrica:1
pacotes RX:42342 erros:0 descartados:0 excesso:0 quadro:0
Pacotes TX:29791 erros:0 descartados:0 excesso:0 portadora:0
colisões:0 txqueuelen:1000
RX bytes:46844351 (46.8 MB) TX bytes:14293214 (14.2 MB)
nm-toolbruno@mordecaii:~$ nm-tool
NetworkManager Tool
State: connected
- Device: wlan0 [Auto Skynet] -------------------------------------------------
Type: 802.11 WiFi
Driver: b43
State: connected
Default: yes
HW Address: 00:25:56:87:82:38
Capabilities:
Speed: 1 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
dlink: Infra, 00:21:91:6F:A2:50, Freq 2437 MHz, Rate 54 Mb/s, Strength 67
*Skynet: Infra, 00:22:B0:A8:9B:B0, Freq 2457 MHz, Rate 54 Mb/s, Strength 95
IPv4 Settings:
Address: 192.168.0.121
Prefix: 24 (255.255.255.0)
Gateway: 192.168.0.1
DNS: 208.67.220.20
DNS: 8.8.8.8
- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: sky2
State: unavailable
Default: no
HW Address: 00:23:AE:E8:60:98
Capabilities:
Carrier Detect: yes
Wired Properties
Carrier: off
A saída cat /proc/sys/net/ipv6/conf/all/disable_ipv6 está 1.
Att.
Bruno